Canyon CNR-FHS04. Device connectivity: Wired, Device interface: 3.5 mm, Cable length: 2.3 m. Headphone frequency: 20 - 20000 Hz, Impedance: 32 Ом, Headphone sensitivity: 108 dB. Microphone frequency: 30 - 16000 Hz, Microphone sensitivity: -58 dB. Dimensions (WxDxH): 150 x 63 x 170 mm, Weight: 101 g